lever
听听怎么读
英 [ˈli:və(r)]
美 [ˈlevər]
是什么意思
杠杆;操作杆;工具;
用杠杆撬动;
变形
复数:levers过去式:levered现在分词:levering第三人称单数:levers
双语释义
n.(名词)
- [C]杠杆 a bar for lifting sth heavy or opening sth, put one end under the thing you want to lift or open, and push the other end
- [C]操作杆 a thing that you pull or push to make a machine work
- vt. (用杠杆)移动〔撬开〕 move (sth) with a lever
英英释义
lever[ 'li:və, 'le- ]
- n.
- a rigid bar pivoted about a fulcrum
- a simple machine that gives a mechanical advantage when given a fulcrum
- a flat metal tumbler in a lever lock
同义词:lever tumbler
- v.to move or force, especially in an effort to get something open
同义词:prypriseprizejimmy
学习怎么用
词汇搭配
用作名词 (n.)
动词+~- move lever移动杠杆
- pull〔push〕 a lever拉操纵杆(开动机器等),(在投票站)拉选票
- operating lever操纵杆
- timing lever定时杆
- brake〔control〕 lever刹车〔操纵〕杆
- gear lever变速装置
- lever rule杠杆定律
用作动词 (v.)
副词+~- lever along〔away, out, over, up〕撬动,撬起
- lever ...into...用杠杆把…撬进…
词组短语
release lever解锁手柄;分离杆
lever principle杠杆原理
brake lever制动杆
lever handle手柄;杠杆手柄;杆式手柄;手柄操纵杆
hand lever手柄;手制动杆;柄;手杆
control lever控制杆;操纵杆
lever type adj. 杠杆式
shift lever变速杆
gear lever[机]变速杆
lever arm杠杆臂;活动臂
connecting lever连接棒;连接杆;连接杠杆
lever rule杠杆定则(定律)
valve lever阀门杆;阀杠杆
更多收起词组短语
双语例句
用作名词(n.)
- He employed his knife as a lever.
他把刀子当杠杆用。 - This lever must serve some ulterior purpose.
这撬棒准是用于不可告人的目的的。 - Push hard and the lever will go down.
用力推就能把控制杆按下去。 - Move this lever to change gear.
换档时扳动这根操纵杆。 - This latest incident may be the lever needed to change government policy.
最近的事件或许可以作为迫使政府改变政策所需的手段。
用作动词(v.)
- They managed to lever the door open.
他们设法撬开了门。 - We are trying to lever the roots out, but in vain.
我们试图撬掉这些树根,但没有成功。 - The worker is levering at the rock.
工人用杠杆移动岩石。
权威例句
The lever of richesLever's Histopathology of the SkinThe Lever of Riches: Technological Creativity and Economic ProgressThe Lever of Riches--Technological Creativity and Economic Progress/Joel Mokyr(1990)A community approach as a lever for integrated health & social careImplementing the Seven Principles: Technology as LeverIncreased lever pressing for amphetamine after pimozide in rats: implications for a dopamine theory of rewardThe neck region of the myosin motor domain acts as a lever arm to generate movementAn atomic‐resolution atomic‐force microscope implemented using an optical leverHaloperidol and nucleus accumbens dopamine depletion suppress lever pressing for food but increase free food consumption in a novel ...